Home / 3,884.10-5,817.93-3,140.52

Finding the Fourth Proportional to 3,884.10, 5,817.93 and 3,140.52

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Solution

The fourth proportional to 3,884.10, 5,817.93 and 3,140.52 is: 4,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.10 : 5,817.93 = 3,140.52 : x
  2. Step 2: Convert to fraction form
    3,884.10/5,817.93 = 3,140.52/x
  3. Step 3: Cross multiply
    3,884.10x = 5,817.93 × 3,140.52
  4. Step 4: Simplify right side
    3,884.10x = 18,271,291.93
  5. Step 5: Solve for x
    x = 18,271,291.93/3,884.10
  6. Step 6: Final answer
    x = 4,704.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.